Roasted Sausage and Potatoes

• 1 pound baby potatoes or yukon gold or red potatoes, cut into 1" pieces
• 1 pound smoked sausage cut in ½" slices
• 1 red bell pepper or green, diced
• ½ medium zucchini cut in ½" slices
• ½ red onion cut in ½" pieces

Dressing

• 2 tablespoons olive oil
• 1 ½ teaspoons red wine vinegar
• ½ teaspoon Dijon mustard
• ½ teaspoon dried basil
• ½ teaspoon salt or to taste
• ¼ teaspoon red pepper flakes
• ¼ teaspoon black pepper
• 1 clove garlic minced